Solving Equation with Substitution
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system of equation using substitution: x-y=1, 2x+y=8
(11,4)
(1,1)
(3,2)
(4,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the solution for inequality: 2x+y=7, x-2y=1 by substitution
(3,1)
(3,5)
(4,4)
(3,3)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve this system by substitution: y=4x, 6x-4y=-10
(1, -4)
(1, 4)
(-4, -7)
(-7, -4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the answer for the given inequality: 3x+2y=18, x-y=1
(3,4)
(4,3)
(0,5)
(5,4)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the correct first step in solving this system by substitution?
-7(2y+11) - 2y = -13
-7x -2(2y +11) = -13
2y+11-2y = -13
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Solve the system by substitution
3x - y = 4
x + 2y = 6
(-2, 2)
(2, -2)
(2, 2)
(-2, -2)
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The first step in solving using the substitution method is __________.
get x by itself
get y by itself
get either variable by itself
add the equations together
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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